gallium/i915: need to recompute vertex info if vertex shader changes

3 files changed, 4 insertions, 1 deletions

diff --git a/src/gallium/drivers/i915simple/i915_context.h b/src/gallium/drivers/i915simple/i915_context.h
index 5cc38cdc85..d32dded6bd 100644
--- a/src/gallium/drivers/i915simple/i915_context.h
+++ b/src/gallium/drivers/i915simple/i915_context.h
@@ -263,6 +263,7 @@ struct i915_context
 #define I915_NEW_TEXTURE       0x800
 #define I915_NEW_CONSTANTS     0x1000
 #define I915_NEW_VBO           0x2000
+#define I915_NEW_VS            0x4000
 
 
 /* Driver's internally generated state flags:
diff --git a/src/gallium/drivers/i915simple/i915_state.c b/src/gallium/drivers/i915simple/i915_state.c
index e4288d4e31..a35bdf941f 100644
--- a/src/gallium/drivers/i915simple/i915_state.c
+++ b/src/gallium/drivers/i915simple/i915_state.c
@@ -474,6 +474,8 @@ static void i915_bind_vs_state(struct pipe_context *pipe, void *shader)
 
    /* just pass-through to draw module */
    draw_bind_vertex_shader(i915->draw, (struct draw_vertex_shader *) shader);
+
+   i915->dirty |= I915_NEW_VS;
 }
 
 static void i915_delete_vs_state(struct pipe_context *pipe, void *shader)
diff --git a/src/gallium/drivers/i915simple/i915_state_derived.c b/src/gallium/drivers/i915simple/i915_state_derived.c
index fe52fe6e6b..5cf70acdf3 100644
--- a/src/gallium/drivers/i915simple/i915_state_derived.c
+++ b/src/gallium/drivers/i915simple/i915_state_derived.c
@@ -155,7 +155,7 @@ static void calculate_vertex_layout( struct i915_context *i915 )
  */
 void i915_update_derived( struct i915_context *i915 )
 {
-   if (i915->dirty & (I915_NEW_RASTERIZER | I915_NEW_FS))
+   if (i915->dirty & (I915_NEW_RASTERIZER | I915_NEW_FS | I915_NEW_VS))
       calculate_vertex_layout( i915 );
 
    if (i915->dirty & (I915_NEW_SAMPLER | I915_NEW_TEXTURE))